Verb (from Star Trek): To seduce or otherwise have sex with an alien babe. This can also be applied to other genders, but always denotes a measure of conquest on behalf of the party who is kirking the other.

It's hard to name a Sci-Fi male lead who hasn't kirked a bevy of multi-colored tail.

aloof, mysterious, misunderstood, creative, wise, understanding, empathetic, carries the weight of the world on his shoulders. Constantly thinking big, a humanitarian, philosophical, intelligent. Very slow to anger, but when pushed to breaking point, fights like a demon. periodically lapses into bouts of depression. A romantic (secretly) prefers to play it cool, a drifter. Potentially as bad-ass as John Connor. His presence lingers. A spectre at times, dissappearing into the ether.

I got distracted by a passing gypsy, and then - like a kirk - he was gone!....